SixTools is a cool app by ShaoSoft that adds some extra features to your BlackBerry. The app is currently the deal of the day and is priced at 50% off. For the current price of $1.99, SixTools adds the following features to your device:

Ability to assign applications to your Volume, Mute and Play keys, essentially giving you three extra convenience.

Battery indicator.

Sound effects for your Torch sliding mechanism.

Ability to toggle the intro video that goes on forever after an OS update.